APA (7th ed.) Citation

HARTMANN, W. K. (1985). Astronomy the cosmic journey.-- Ed. 3. Wadsworth Pub. Co.

Chicago Style (17th ed.) Citation

HARTMANN, William K. Astronomy the Cosmic Journey.-- Ed. 3. Belmont: Wadsworth Pub. Co, 1985.

MLA (9th ed.) Citation

HARTMANN, William K. Astronomy the Cosmic Journey.-- Ed. 3. Wadsworth Pub. Co, 1985.

Warning: These citations may not always be 100% accurate.